Patents by Inventor Nicole Le Calvez

Nicole Le Calvez has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Spray device containing nitrogen-carbon dioxide propellent gas mixture
    Patent number: 6415992
    Abstract: The invention concerns a new personal spray device pressurized by a gas mixture comprising nitrogen and carbon dioxide for the fine spray dispersion of, for example, liquids or atomizable compositions. The spray device prevents the formation of liquid jet or ion precipitates. Preferably, the spray device contains mineralized waters and controls the pH and the microbial content of the mineralized waters.
    Type: Grant
    Filed: October 30, 1996
    Date of Patent: July 9, 2002
    Assignee: L'Oreal
    Inventors: Gilles Blondeel, Nicole Le Calvez